51243759

素因数分解:

$3^4\times 7^2\times {\mathrm{12911}}^1$

素因数の和:12937

約数の個数: 30

約数和(自身を含む): 89054064

約数和(自身を除く): 37810305

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 12911, 38733, 90377, 116199, 271131, 348597, 632639, 813393, 1045791, 1897917, 2440179, 5693751, 7320537, 17081253, 51243759]

約数ペア:

[(1, 51243759), (3, 17081253), (7, 7320537), (9, 5693751), (21, 2440179), (27, 1897917), (49, 1045791), (63, 813393), (81, 632639), (147, 348597), (189, 271131), (441, 116199), (567, 90377), (1323, 38733), (3969, 12911)]